?? is3d.m
字號(hào):
function test = is3D(X),
Np = size(X,2);
%% Check for planarity of the structure:
X_mean = mean(X')';
Y = X - (X_mean*ones(1,Np));
YY = Y*Y';
[U,S,V] = svd(YY);
r = S(3,3)/S(2,2);
test = (r > 1e-3);
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